Modern Grand Seiko (1988+) STGF387
Grand Seiko Grand Seiko STGF387
GSdb modern model identity
- Movement
- 4J51
- Case width / diameter
- 26 mm
- Thickness
- 8.1 mm
- Years
- 2025–present or unrecorded end
4J51
43 references currently carry this movement label across 1 brands. 2 have an indexable exact-reference page. The movement page is a linked index; exact technical claims remain on the reference records and their evidence panels.
Modern Grand Seiko (1988+) STGF389
Grand Seiko Grand Seiko STGF389
GSdb modern model identity
- Movement
- 4J51
- Case width / diameter
- 26 mm
- Thickness
- 8.1 mm
- Years
- 2025–present or unrecorded end